AD9432

Rev. F | Page 2 of 16

TABLE OF CONTENTS

Features .............................................................................................. 1

 

Applications....................................................................................... 1

 

General Introduction ....................................................................... 1

 

Functional Block Diagram .............................................................. 1

 

Revision History ............................................................................... 2

 

Specifications..................................................................................... 3

 

Timing Diagram ........................................................................... 5

 

Absolute Maximum Ratings............................................................ 6

 

Explanation of Test Levels ........................................................... 6

 

Thermal Characteristics .............................................................. 6

 

ESD Caution.................................................................................. 6

 

Pin Configurations and Function Descriptions ........................... 7

 

Typical Performance Characteristics ............................................. 8

 

Terminology .................................................................................... 11

 

Equivalent Circuits......................................................................... 12

 

Theory of Operation ...................................................................... 13

 

Analog Input ............................................................................... 13

 

Encode Input............................................................................... 13

 

Encode Voltage Level Definition.............................................. 13

 

Digital Outputs ........................................................................... 14

 

Voltage Reference ....................................................................... 14

 

Timing ......................................................................................... 14

 

Applications Information .............................................................. 15

 

Using the AD8138 to Drive the AD9432 ................................ 15

 

Outline Dimensions ....................................................................... 16

 

Ordering Guide .......................................................................... 16

 

REVISION HISTORY

6/09—Rev. E to Rev. F

Updated Format..................................................................Universal

Reorganized Layout............................................................Universal

Added TQFP_EP Package .................................................Universal

Deleted LQFP_ED Package...............................................Universal

Changes to Thermal Characteristics Section................................ 6

Changes to Pin Configurations and Function Descriptions

Section................................................................................................ 7

Changes to Terminology Section.................................................. 11

Deleted Evaluation Board Section................................................ 15

Updated Outline Dimensions ....................................................... 16

Changes to Ordering Guide .......................................................... 16

1/02—Rev. D to Rev. E

Edits to Specifications .......................................................................3

Edits to Absolute Maximum Ratings ..............................................4

Edits to Ordering Guide ...................................................................4

Addition of Text to Using the AD9432 Section.......................... 10

Edits to Figure 17a.......................................................................... 15

Edits to Figure 17b ......................................................................... 16

Addition of SQ-52 Package Outline............................................. 18